<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
    </style>
</head>
<body>
<select name="" id="s1">
    <option value="3">o1</option>
    <option value="5">o2</option>
    <option value="10">o3</option>
</select>
<select name="" id="s2" multiple>
    <option value="111" >111</option>
    <option value="222" >222</option>
    <option value="333">333</option>
</select>
<input type="text" value="第一个input"/>

<input type="button" value="获取值" id="btn"/>
<input type="button" value="设置值" id="btn2"/>
<input type="checkbox" value="abc" class="che"/>
<input type="radio" value="abcde" class="chea"/>
</body>
<script src="myJqueryannotation2.5.js"></script>

<script>
    /*console.log($('div').siblings());
     console.log(console.log($('div').siblings('div')));*/

    //        console.log($("input").prop("checked",'false'));

    //        $("input").prop("checked",true)
    //    console.log($('div').hasClass('cdf'));
    //    console.log(Array.prototype.indexOf);

    //    $('div').addClass('a b c d e');

    //    $('div').prop('width', '123');
    //    $('div').removeProp('class');

    //    $('div').toggleClass('a b c d e f g');

    //    console.log($('div').hasClass('a b c'));

//    console.log($('#s2').val());
//    console.log($('select').val());
//        console.log($('select').val());
    $('select').val('222');
</script>
</html>